Home / Standards / GB/T 3688-2025 GB/T 3688-2025 Active Test method for adhesion performance of V-belt cords V带线绳粘合性能试验方法 Standard Type GBT ICS 83.140.99 CCS G47 Status 现行 Issue Date 2025-04-25 Implementation 2025-11-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A